Changes in mortgage servicing rights - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Mortgage Servicing Rights
Balance, beginning of period		$ 353	$ 209	$ 238	$ 228
Originated		270	21	413	25
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Amortization of Premium	[1]	(56)	(13)	(84)	(36)
Balance, end of period		$ 567	$ 217	$ 567	$ 217

[1] Amortization expense and changes in the impairment reserve are recorded in mortgage servicing, net.